A summary of EWASS 2018 (I)

A summary of EWASS 2018 (I)

Last week, over 1400 astronomers met at the European Week of Astronomy and Space Sciences in Liverpool. From observations of high-redshift galaxies, to simulations of the universe and starquakes, we give you an eclectic mixture of highlights of the week.

The age of cross-correlations

The age of cross-correlations

When two observations share some common information, they can be “cross-correlated” to extract it. In today’s example, we discover what the matter halos and energetic phenomena in the Universe have in common through a cross-correlation.